Research Article

Modelling of Severe Accident and In-Vessel Melt Retention Possibilities in BWR Type Reactor

Table 4

Properties of oxidic and metallic layers assumed in analytical calculations.

PropertyNotation (unit)OXIDIC layerMETALLIC layer

Thermal expansion coefficientβ (1/K)1.05E-041.10E-04

Thermal conductivityk (W/m·K)5.331.4

Dynamic viscosityμ (Pa·s)5.35E-034.00E-03

Emissivity (crust for Oxide and molten for Metallic)0.80.45

Liquidus temperature  or   (K)29731600